Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Echinodermata (Echinoderms)
Sea urchin (Echinoidea)
Euechinoidea
Echinacea (Echinacea (animal))
Phymosomatoida
Heterodiadematidae
Heterodiadema
Heterodiadema lybicum (105406753)
Children (3 direct children, 3 direct and indirect children):
Heterodiadema lybicum asiatica
Heterodiadema lybicum inflata
Heterodiadema lybicum nigeriense